How many bits are there in an Internet Protocol version 6 (IPv6) address?

The correct answer is C. 128. IPv6 uses a 128-bit address, allowing 2128, or approximately 3.4×1038 addresses, or more than 7.9×10**28 times as many as IPv4, which uses 32-bit addresses

Understanding Protocols and Services

Question

Options

A32
B64
C128
D256

How the community answered

(52 responses)

A
4% (2)
B
8% (4)
C
73% (38)
D
15% (8)

Explanation

IPv6 uses a 128-bit address, allowing 2128, or approximately 3.4×1038 addresses, or more than 7.9×10**28 times as many as IPv4, which uses 32-bit addresses

Topics

#IPv6#IP addressing#128-bit address#address length

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